MESON Chess Problem Database

Problem Display
PID: 180933 (2N5/7K/5k2/3B1n1R/5b2/7p/4P1pq/5Q2 w - - 0 1)

Preiswerk, Walther Edouard

Basler Nachrichten, 1906

2N5/7K/5k2/3B1n1R/5b2/7p/4P1pq/5Q2

#2

6 + 6

16108 Walther Preiswerks Shachprobleme (M. Henneberger) 1949

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Rxf5#
      • 2.Qxf5#
    • 1...Bd2
      • 2.Rxf5#
      • 2.Qxf5#
    • 1...Be3
      • 2.Rxf5#
      • 2.Qxf5#
    • 1...Bg3
      • 2.Rxf5#
      • 2.Qxf5#
    • 1...Be5
      • 2.Rxf5#
      • 2.Qxf5#
    • 1...Bd6
      • 2.Rxf5#
      • 2.Qxf5#
    • 1...Bh6
      • 2.Rxf5#
      • 2.Qxf5#
    • 1...Bc7
      • 2.Rxf5#
      • 2.Qxf5#
    • 1...Bb8
      • 2.Rxf5#
      • 2.Qxf5#
  • Tries
    • 1.Qxf4?
      • threat
        • 2.Rxf5#
        • 2.Rh6#
        • 2.Qxf5#
      • 1...g1Q
        • 2.Rxf5#
        • 2.Qxf5#
      • 1...g1R
        • 2.Rxf5#
        • 2.Qxf5#
      • 1...Qg3
        • 2.Rxf5#
        • 2.Qxf5#
      • 1...Qxf4!
  • Keys
    • 1.e4!
      • threat
        • 2.Rxf5#
      • 1...Ke5
        • 2.Qa1#
      • 1...Bg5
        • 2.Qxf5#
      • 1...Se3
        • 2.e5#
      • 1...Sg3
        • 2.e5#
      • 1...Sd4
        • 2.e5#
      • 1...Sh4
        • 2.e5#
      • 1...Sd6
        • 2.e5#
      • 1...Sh6
        • 2.e5#
      • 1...Se7
        • 2.e5#
      • 1...Sg7
        • 2.e5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);P_PINS(e),XB(d)
      • Threat
        • DUALS(3)
      • Refutation
        • Q(b);N_SPINS(e),XQ(A)
  • Actual
    • P(B);
    • Threat
      • R1(D),XS(e)
    • Vars
      • K(f);P_SPINS(e),S_FLIGHT::QAB(A)
      • B(d);OGATE,P_SPINS(e)::QAR1(A),XS(e)
      • S(e);P_SPINB(d)::P(B)
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